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Now showing items 11-20 of 131
Investigations substituent effect on structural, spectral and optical properties of phenylboronic acids
(2021)
Ortho- and para-substituent arylboronic acid are investigated. Geometric structure and structural proper- ties of these compounds are done. IR and NMR spectrum are calculated for the spectral characterizations. Contour ...
Experimental and Computational Investigation for (E)-2-hydroxy-5-(2- benzylidene) Aminobenzoic Acid Schiff Base as a Corrosion Inhibitor for Copper in Acidic Media
(2021)
The corrosion behavior of copper in 1 M HCl in the absence and presence of Hha ((E)-2-hydroxy-5-(2-benzylidene)
aminobenzoic acid) has been investigated experimentally and computationally. In this way, the electrochemical ...
Synthesis and competitive 7 Li NMR studies of two morpholine-based ligands
(Elsevier, 2021)
7 Li NMR spectroscopy was used to investigation the stability, stoichiometry and thermodynamic infor- mation of a Li + complex with one known, N1-(2-morpholinoethyl)-N1-((pyridine-2-yl)methyl)propane- 1,3-diamine (A 1 ) ...
Experimental and in silico studies of dichloro- tetrakis (1H-pyrazole)-cobalt(II): Structural description, photoluminescent behavior and molecular docking
(2021)
A novel pyrazole-based Co(II) complex, namely dichloro-tetrakis(1H-pyrazole)-cobalt(II), was synthesized
and characterized. Its X-ray crystal structure showed that it crystallizes in the monoclinic C 2/ c space
group ...
New anti-viral drugs for the treatment of COVID-19 instead of favipiravir
(2021)
The SARS-CoV-2 virus is a major problem in the world right now. Currently, all the attention of
research centers and governments globally are focused on the investigation of vaccination studies and
the discovery of small ...
Scale factor database for the vibration frequencies calculated in M06-2X, one of the DFT methods
(2021)
Vibrational scale factors were determined for the M06-2X method. The calculated scale factors were supported
statistically. The main objective is to determine the concordance between frequencies. Descriptive statistics ...
Investigations of Hg(II) analysis in real samples via computational chemistry, experimental design, and green microextraction approach
(Elsevier, 2021)
An economical and green nanostructured supramolecular solvent-based ultrasound-assisted homogeneous liquid-liquid microextraction procedure was developed to separate and preconcentrate Hg(II) ions in water and vegetable ...
Ultrasound-assisted supramolecular solvent dispersive liquid-liquid microextraction for preconcentration and determination of Cr(VI) in waters and total chromium in beverages and vegetables
(Elsevier, 2021)
Simple, sensitive, selective and green ultrasound assisted supramolecular solvent dispersive liquid-liquid microextraction (UA–SUPRAS-DLLME) method was developed for preconcentration and determination of chromium ions in ...
Investigations of Hg(II) analysis in real samples via computational chemistry, experimental design, and green microextraction approach
(Elsevier, 2021)
An economical and green nanostructured supramolecular solvent-based ultrasound-assisted homogeneous liquid-liquid microextraction procedure was developed to separate and preconcentrate Hg(II) ions in water and vegetable ...
Feasibility of supramolecular nanosized solvent based microsyringe-assisted liquid-phase microextraction for preconcentration and separation of Vitamin B12 from infant formula, food supplement, and dairy products: Spectrophotometric analysis and chemometric optimization
(Elsevier, 2021)
Here, a novel cheap and green analytical method based on supramolecular nanosized solvent based microsyringe-assisted liquid phase microextraction (SS MA LPME) was developed and validated for preconcentration and separation ...